521 Tab Mini

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Driven by a single 18650 battery (sold separate), the Coil Master 521 Tab Mini is a handy compact device for vape enthusiasts. Firstly, it allows you to use it as a build deck and once finished your build then you're able to dry fire those coils down to 0.1ohm as well effectively confirming your build is good....or bad. Reverse battery protection and short circuit protection are also built in for user safety.